Table 3.

The risk factors associated with severe COVID-19 in older patients.

Risk factors	B	SE	Wald	p value	OR	95 %CI
Age	0.075	0.047	10.264	0.0102	1.59	1.13−2.08
SOFA score	0.094	0.057	24.167	<0.0001	5.89	3.48−7.96
APACHEⅡ score	1.003	0.364	3.785	0.0018	3.13	1.85−5.62
Platelet count＜125 × 109/L	0.138	0.049	4.682	0.0128	2.36	1.03−4.14
D-dimer	0.036	0.497	6.148	0.0024	4.37	2.58−7.16
Creatinine＞133 μmol/L	0.017	0.218	2.194	0.0137	1.85	1.12−3.04
Interleukin-6	0.245	0.416	7.378	0.0016	4.32	2.07−7.13
Consolidation	0.339	0.675	3.569	0.0262	1.94	1.45−4.27

Abbreviations: SOFA, Sequential Organ Failure Assessment; APACHE, Acute Physiologic and Chronic Health Evaluation.